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All IPs > Analog & Mixed Signal > Power Management > RAR-eSR-qLR-[1.9-4.4]-[0.55-3.3].02

RAR-eSR-qLR-[1.9-4.4]-[0.55-3.3].02

From Dolphin Semiconductor

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Description

The RAR-iLR-qLR.01 Retention Alternating Regulator enables this combination embedding two regulation sub-components: a switching regulator (eSR) and an ultra low quiescent linear regulator (qLR). A Regulation Control Unit (RCU) manages booting and transitions between each regulation functions.

Features
  • Ideal regulator for power and voltage islets
  • Embedded RCU (Regulator Control Unit) to manage booting and mode transitions and to ensure data integrity
  • Configurable output drive before delivery to fit the application
  • Performances in sleep mode: qLR with low quiescent current: 0.2 µA
  • Can supply always-on loads up to 300 μA
  • Accessible voltage reference can be used by wake-up circuitry
  • Performances in normal mode: PFM embedded mode allowing high-efficiency at low load
  • High Efficiency (up to 95% peak efficiency)
  • Low Bill-of-Material: fully integrated feedback and active compensation loop to reduce the number of additional external passive components
  • Low Output Ripple
  • Over-temperature/Over-current protected Output
Foundries & Process Nodes
Foundry Process Nodes
TSMC 55nm
Tech Specs
Class Value
Categories Analog & Mixed Signal > Power Management
Analog & Mixed Signal > Voltage Regulator
Maturity Before DP2
Input Voltage 1.62 - 3.63 V
Output Voltage 0.55 - 3.3 V
Output Current 100 mA - 200 mA - 500 mA
Component Add-Ons Over-voltage protection module (OPM) required for 2.7 to 5.5 V and 1.9 to 4.4 V input voltage range. The OPM enables over-voltage operation (up to 5.5 V) while using standard process 3.3 V devices. Power-On-Reset and Brown-On-Reset circuit (POR-BOR) Temperature sensor Power ON indicator
Component Add-Ons Over-voltage protection module (OPM) required for 2.7 to 5.5 V and 1.9 to 4.4 V input voltage range. The OPM enables over-voltage operation (up to 5.5 V) while using standard process 3.3 V devices. Power-On-Reset and Brown-On-Reset circuit (POR-BOR) Temperature sensor Power ON indicator
Block Name RAR-eSR-qLR-[1.9-4.4]-[0.55-3.3].02
Availability All Countries & Regions
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